project-tree-examplelisted

### Canonical Project Structure Example-1 ``` project_root/ │ ├── src/ │ │ │ ├── config/ # ⚙️ LAYER 1 — Single Source of Truth (Like a Gear Box) │ │ ├── __init__.py # auto-loads dotenv, exports everything │ │ ├── paths.py # PROJECT_ROOT auto-detection │ │ ├── files.py # read/write/json/delete utilities │ │ ├── dotenv.py # load/set/get/remove .env values │ │ └── settings.py # BaseProjectSettings — API keys, timeouts, limits │ │ │ ├── schema/ # 📐 LAYER 1 — Data Contracts (পরম সত্য) │ │ ├── __init__.py │ │ ├── profile.py # LinkedInProfile, ConnectionRequest │ │ ├── message.py # Message, MessageThread │ │ └── job.py # JobPost, Application │ │ │ ├── api/ # 🚪 LAYER 1 — HTTP Interface │ │ ├── __init__.py │ │ ├── routes.py # app.js এখানে fetch() করে │ │ └── helpers/ # 🔐 Private — api/ internal only │ │ └── request_validator.py │ │ │ ├── providers/ # 🔌 LAYER 1 — AI / External API integrations │ │ ├── __init__.py │ │ ├── openai.py # AI provider │ │ └── helpers/ # 🔐 Private — শুধু providers/ ব্যবহার করবে │ │ └── session_guard.py │ │ │ ├── services/ # 🧠 LAYER 1 — Business Logic │ │ ├── _